Recent content by 08_ms3_gt

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    Amsoil 5w40, 4,856 miles. 2008 Mazdaspeed 3

    i haven't really thought about adjusting my AFR's, but maybe i will. i know it is VERY rich, but even the stock AFR's are in the low 12's. i do have a means of adjusting the tuning myself, but i'd hunt for a dyno tuner before trying that route. agree with a shorter OCI. the 6500mi...
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    Amsoil 5w40, 4,856 miles. 2008 Mazdaspeed 3

    the new oil analysis results are in, and i am not seeing the change i was hoping for. i have been doing plenty of hwy driving and not idling. for one, the fuel dilution is lower but not significantly so. i did a highway run of maybe 15 miles before draining - there's only one "circuit" near me...
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    Amsoil 5w40, 4,856 miles. 2008 Mazdaspeed 3

    It is tuned for the modifications it has. I check the air/fuel regularly with a dashhawk - 14.7 at idle, 11.5 at WOT, which is what it is tuned for. I watch my AFR like a hawk Fuel dilution is a known problem with the 2.3L direct-injected turbo motor. Fuel is being sprayed into the cylinders...
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    Amsoil 5w40, 4,856 miles. 2008 Mazdaspeed 3

    Greenjp, I agree with your statement. If I'm going to battle FD, I'll need to do it all the time instead of just when it's time to drain the oil. No fuel in the sample may mean nothing if there's been fuel before that which has already hosed the viscosity and caused increased engine wear...
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    Amsoil 5w40, 4,856 miles. 2008 Mazdaspeed 3

    hi all, i'm the guy that shpankey posted on behalf of. i greatly appreciate all of your thoughts and insights with this matter - Bitog is an extremely helpful place! just to put it out there - my car is a 2008 Mazdaspeed3 with approx 53k miles on it. it has basic modifications - intake...
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